#!/usr/bin/env node

const chunks = [];
process.stdin.on("data", (chunk) => chunks.push(chunk));
process.stdin.on("end", () => {
  const input = Buffer.concat(chunks).toString("utf8").trim();
  console.log(input ? `echo: ${input}` : "echo: (empty)");
});

if (process.stdin.isTTY) {
  const input = process.argv.slice(2).join(" ").trim();
  console.log(input ? `echo: ${input}` : "echo: (empty)");
}